PISTON KIT ALL CRM250 66.40, FORGED WOSSNER 8071D040

Wossner 66.40mm (66.33mm) forged piston kit is designed for Honda CRM 250 models from 1989 to 2000. Engineered for strength and precision, this piston ensures efficient heat transfer to the cylinder walls, providing uniform expansion and reducing localized pressure. The elliptical design distributes thrust loads evenly, preventing piston collapse. Manufactured in Germany, it meets high-quality standards for reliable performance.

Features

• Wossner forged piston for superior strength and durability
• Optimized heat transfer for improved combustion efficiency
• Elliptical design for uniform bearing surface and reduced localized pressure
• Precision-engineered to prevent piston collapse
• Made in Germany

Specifications

• Bore Size: 66.40mm (66.33mm)
• Oversize: +0.40mm
• Displacement: 249cc
• Stroke: 72.00mm
• Clearance: 0.06mm
• Compression Ratio: 2-stroke
• Compression Height: 38.00mm
• Lock Part Number: CW19
• Pin Part Number: WP044
• Ring Set Part Number: RSB6640 X 2
• Theoretical Weight: Not specified

Vehicle Fitments

• Honda CRM 250 (1989-2000)